Mast Mount for FLIR M300 Series Fits Mast with 2-5/8" or LargerAchieve an unobstructed view for your FLIR or Raymarine thermal camera by mounting it on your mast. Made from marine grade aluminum. We now Chem-Film (same process used by Boeing) each high grade aluminum part prior to our standard 3 part epoxy prime and powder coat to ensure the best possible finish and corrosion resistance.Heavy DutySix rivets per foot are used to hold the heavy duty mounting feet to the mast. Solid under-body construction not only greatly improves strength but also hides cables.